WO2014118375A1 - Steuervorrichtung für ein giersystem einer windkraftanlage - Google Patents
Steuervorrichtung für ein giersystem einer windkraftanlage Download PDFInfo
- Publication number
- WO2014118375A1 WO2014118375A1 PCT/EP2014/052068 EP2014052068W WO2014118375A1 WO 2014118375 A1 WO2014118375 A1 WO 2014118375A1 EP 2014052068 W EP2014052068 W EP 2014052068W WO 2014118375 A1 WO2014118375 A1 WO 2014118375A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drive
- brake
- yaw
- control device
- transmission
- Prior art date
Links
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- 230000033001 locomotion Effects 0.000 claims description 27
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- 238000005859 coupling reaction Methods 0.000 description 4
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- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
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- 239000000969 carrier Substances 0.000 description 1
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- 238000012937 correction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0244—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
- F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0204—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
- F03D7/0224—Adjusting blade pitch
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0244—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking
- F03D7/0248—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking by mechanical means acting on the power train
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0264—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for stopping; controlling in emergency situations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0264—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for stopping; controlling in emergency situations
- F03D7/0268—Parking or storm protection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
- F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/21—Rotors for wind turbines
- F05B2240/221—Rotors for wind turbines with horizontal axis
- F05B2240/2213—Rotors for wind turbines with horizontal axis and with the rotor downwind from the yaw pivot axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/40—Transmission of power
- F05B2260/403—Transmission of power through the shape of the drive components
- F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
- F05B2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclic, planetary or differential type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/90—Braking
- F05B2260/902—Braking using frictional mechanical forces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/90—Braking
- F05B2260/904—Braking using hydrodynamic forces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/96—Preventing, counteracting or reducing vibration or noise
- F05B2260/964—Preventing, counteracting or reducing vibration or noise by damping means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
Definitions
- the invention relates to a control device for a yawing system of a wind power plant, comprising at least one actuating device and at least one yawing brake connected between a support structure and a machine support rotatably mounted on the support structure about a yaw axis and at least one yaw brake, by means of which the machine support can be fixed to the support structure is.
- a device for a wind turbine which is provided for the transmission and damping of yawing movements, wherein the device is a yaw bearing and a yaw rotary drive that allow rotation of the machinery around a vertical axis and a drive device for driving the machinery around a vertical axis.
- a clutch for transmitting the torque of the drive device to the yaw motion rotary drive is provided and arranged such that the torque transmitted by the clutch is determined by the difference in the rotational speed of the drive and output shafts of the clutch.
- the drive device has a brake, a blockable by the brake electric motor and coupled to the electric motor with the interposition of the clutch gearbox.
- yaw brakes can be provided, with which a yawing motion can be blocked. Blocking the yawing motion is e.g. for safety reasons, if maintenance personnel work on the machine system and / or in the area of the machine carrier.
- yaw brakes are arranged at the interface of support structure and machine carrier, in particular on or in the region of the yaw bearing. Since the braking forces applied by the yaw brakes are large, the yaw brakes are designed accordingly strong, which is associated with significant costs.
- the object of the invention is to be able to reduce the costs for blocking a yawing movement.
- the control device in particular for a yaw system of a wind power plant, has at least one adjusting device connected between a support structure and a machine carrier rotatably mounted about a yaw axis and having a drive and a gearbox, in particular coupled thereto, and at least one yaw brake which the machine carrier, in particular non-rotatable, can be fixed to the support structure, wherein the yaw brake engages between the drive and the transmission on the drive train of the actuating device.
- the transmission ratio of the transmission which is in particular greater than 1, preferably even greater than 100 or 1000, is.
- the yaw brake can be made weaker, whereby costs can be saved.
- the transmission is in particular coupled on the input side with the drive and on the output side with the machine carrier or with the support structure.
- the transmission comprises an input shaft coupled to the drive and an output shaft coupled to the machine carrier or to the support structure.
- the transmission is preferably a reduction gear.
- the output shaft of the transmission is torsionally coupled with the input shaft of the transmission.
- the transmission is a gear transmission.
- the yawing brake engages a shaft of the adjusting device, by means of which the transmission is coupled to the drive or can be coupled.
- This wave is e.g. formed by the input shaft of the transmission or torsionally rigidly connected thereto.
- the drive is preferably an electric drive.
- the drive is or comprises one or at least one electric machine, for example one or at least one electric motor.
- the drive can also be a hydraulic drive or another drive.
- an electrical power supply is provided, which in particular forms a power supply for the drive.
- the drive can be supplied with electrical power by means of the power supply.
- the drive is an electric drive, such as an electric motor. an electric motor, is.
- the drive is another drive, e.g. To a hydraulic drive, it is also preferred that this, in particular indirectly, supplied by the power supply.
- the hydraulic drive comprises at least one electrically operated hydraulic pump, which is preferably supplied with electrical current by means of the power supply.
- the drive by means of the power supply directly or indirectly supplied with electric power. In particular, fails in a failure of the power supply and the drive.
- the power supply is given for example by an electrical network.
- the power supply may include an emergency power supply.
- the electric current may be a direct current or an alternating current, in particular a three-phase current.
- the electrical network is preferably an AC network, preferably a three-phase network.
- a rotation or rotational movement of the machine carrier relative to the support structure about the yaw axis is preferably controllable or controllable by means of the adjusting device, in particular by means of the drive.
- at least one control device is provided by means of which the drive can be controlled or regulated.
- the drive preferably by means of the control device, can be controlled or regulated such that a rotation or rotational movement of the machine carrier relative to the support structure can be generated and / or braked and / or damped about the yaw axis.
- the control device is preferably an electrical control device and advantageously electrically connected to the drive.
- the control device comprises one or at least one converter and / or frequency converter.
- the power supplied or supplied to the drive can be controlled or regulated.
- the current intensity and / or amplitude and / or frequency and / or phase of this current can be controlled or regulated by means of the control device.
- the control device can be supplied with electric current by means of the power supply.
- a rotatable by wind about a rotor axis rotatable rotor is preferably mounted.
- the rotor axis is preferably aligned transversely or approximately transversely to the yaw axis.
- the rotor axis is oriented horizontally or approximately horizontally.
- the rotor axis is slightly inclined relative to the horizontal.
- the rotor is advantageously arranged on the leeward side of the machine carrier. Alternatively, however, the rotor can also be arranged on the windward side of the machine carrier.
- the rotor preferably comprises a rotor hub and one or more rotor blades mounted on the rotor hub, which extend in particular transversely or approximately transversely to the rotor axis away from the rotor hub.
- the or each of the rotor blades is rotatably mounted on the rotor hub about a blade axis, which in particular runs transversely or approximately transversely to the rotor axis.
- the number of rotor blades is preferably one, at least one, two, at least two, three or at least three.
- the rotor blades are arranged distributed uniformly around the rotor axis.
- the machine carrier preferably carries an electrical generator that can be driven by the rotor.
- the generator is connected to a rotor shaft of the rotor.
- a rotor gear can be connected between the generator and the rotor and / or between the generator and the rotor shaft.
- the support structure preferably comprises or forms a tower, which is anchored in particular with a foundation or foundation in the ground or seabed.
- the longitudinal axis of the support structure and / or the tower preferably coincides with the yaw axis.
- the yaw axis is oriented vertically or approximately vertically.
- the machine carrier is preferably arranged on the support structure.
- the drive preferably comprises a drive shaft, which is rotatable in particular by means of the drive. If the drive is or comprises a motor or an electric motor, the drive shaft is in particular the motor shaft of the motor or electric motor or e.g. about a torsionally connected to the motor shaft of the motor or electric motor shaft. Furthermore, the drive preferably comprises a stator and a rotor rotatable relative thereto, which in particular comprises the drive shaft and / or is rigidly or rotationally rigidly connected thereto.
- the stator preferably comprises at least one, preferably a plurality, electric stator windings.
- the rotor preferably comprises at least one, preferably a plurality of, electrical rotor windings.
- the rotor can also be designed as a squirrel-cage rotor, so that the rotor winding in particular comprises a plurality of conductor bars, which are electrically connected to one another at their ends, preferably short-circuited.
- the drive forms or comprises e.g. an asynchronous machine.
- the drive can also be designed as a permanent-magnet electric motor.
- the rotor or the stator carries at least one, preferably a plurality of permanent magnets, in particular instead of the respective winding or windings.
- the drive is thus preferably an electric motor which is designed, for example, as a DC motor or as an AC motor, in particular as a three-phase motor.
- the stator of the drive is preferably fixed, in particular rigid or torsionally rigid, connected to the machine carrier or to the support structure.
- the drive comprises a rigidly or torsionally rigid connected to the stand and / or this comprehensive drive or motor housing.
- the drive or motor housing is fixed, in particular rigid or torsionally rigid, connected to the machine carrier or to the support structure.
- the adjusting device preferably comprises an output shaft, which, in particular torsionally rigid, is connected or coupled to the machine carrier or to the supporting structure.
- a pinion in particular rigid or torsionally rigid or elastic, connected, which meshes with a ring gear and / or interlocking, which is preferably fixed, in particular rigid or torsionally rigid or torsionally soft, connected to the machine frame or the support structure.
- the output shaft of the adjusting device preferably torsionally elastic or fixed, in particular rigid or torsionally rigid, connected to the output shaft of the transmission or formed by this.
- the machine frame is rotatable about the yaw axis relative to the support structure by wind.
- the rotor is arranged on the lee side of the machine carrier.
- the yaw system is a passive yaw system.
- the drive preferably by means of the control device, can be operated as a damper, by means of which a rotation or rotational movement of the machine carrier, in particular caused by wind, can be damped about the yaw axis relative to the support structure.
- This damper preferably forms an active damper. This is to be understood in particular that this damper is not functional in case of failure of the power supply and / or that the damping property of this damper and / or the damping of or rotation or rotational movement of the machine frame relative to the support structure about the yaw axis by means of the control device is controllable ,
- an attenuator is provided, by means of which or by means of which, in particular caused by wind, rotational movement of the machine carrier relative to the support structure can be damped about the yaw axis.
- the attenuator is preferably a passive attenuator. This is to be understood in particular that the attenuator is functional even in case of power failure and / or that the damping property of the attenuator and / or the damping of or rotational movement of the machine frame relative to the supporting structure about the yaw axis is not actively controlled. However, the damping may be dependent on the speed and / or a speed change of the rotational movement of the machine frame relative to the support structure about the yaw axis.
- the attenuator is preferably connected in the drive train of the actuating device.
- the adjusting device comprises the attenuator.
- the attenuator comprises an input shaft and an output shaft.
- the attenuator forms or comprises a hydraulic damper.
- the hydraulic damper is e.g. to a hydrodynamic coupling or viscous coupling.
- the attenuator comprises an impeller with an impeller housing and a rotatable inner part in this, which is preferably fixed, in particular rigid or torsionally rigid, with one of the waves of the attenuator, for example, with the output shaft of the attenuator is connected.
- the impeller housing is preferably fixed, in particular rigid or torsionally rigid, with another of the waves of the attenuator, for example, connected to the input shaft of the attenuator.
- the inner part is e.g.
- the impeller housing e.g. fixed, in particular rigid or torsionally rigid
- the inner part is e.g. a propeller.
- a liquid, in particular a hydraulic fluid is provided in the housing.
- the attenuator is preferably connected between the drive and the transmission.
- the yaw brake engages between the attenuator and the transmission on the drive train of the actuating device.
- the yawing brake engages a shaft of the adjusting device, by means of which the transmission is coupled to the damping member or can be coupled.
- the shaft on which the yaw brake engages is e.g. formed by the input shaft of the transmission or torsionally rigidly connected thereto, and / or the shaft on which the yaw brake engages, is e.g. formed by the output shaft of the attenuator or torsionally rigidly connected thereto.
- the shaft on which the yaw brake engages disposed between the output shaft of the attenuator and the input shaft of the transmission and / or connected between the output shaft of the attenuator and the input shaft of the transmission.
- the shaft on which the yaw brake engages in particular torsionally rigid with the output shaft of the attenuator and torsionally rigidly connected to the input shaft of the transmission.
- the drive train of the adjusting device and / or a part of this drive train is preferably blockable.
- the drive train and / or the blockable by means of the yaw brake part of the drive train includes in particular the transmission.
- the transmission in particular from its input side, can be blocked by means of the yaw brake.
- the shaft on which the yaw brake engages braked and / or blocked.
- the yaw brake is preferably a disc brake.
- the yaw brake preferably comprises at least one brake disk and at least one brake body that can be pressed against the brake disk.
- the brake body comprises e.g. one or at least one brake pad and / or one or at least one caliper and / or one or at least one brake piston and / or one or at least one brake pad.
- the brake disc is torsionally rigidly connected to the drive train and / or to the blockable by means of the yaw brake part of the drive train.
- the brake disc is torsionally rigid with the shaft on which the yaw brake engages connected.
- a braking device which has the yaw brake and the or a shaft on which the yaw brake engages.
- the braking device is preferably connected, in particular with its shaft, between the drive and the transmission, preferably between the damping element and the transmission.
- the yaw brake in the actuated state forms a slip clutch which, when a breakaway torque is reached or exceeded, permits a rotation of the machine carrier relative to the support structure about the yaw axis.
- overloads can be avoided, which can lead to damage to the machine frame and / or the support structure and / or other components of the wind turbine.
- a drive brake is provided, by means of which the drive can be braked and / or blocked.
- the drive brake with the drive shaft, in particular fixed, preferably rigid or torsionally rigid, connected.
- the drive brake is particularly useful in combination with the attenuator, so that when braked or blocked drive damping of a, in particular caused by wind, rotational movement of the machine support relative to the support structure about the yaw axis is possible. It is advantageous in case of failure of the power supply of the drive means of the drive brake, in particular automatically, braked and / or blocked.
- the drive brake is preferably biased in the braking and / or blocking state, in particular by at least one spring.
- the drive brake can be converted by at least one electromagnet in the dissolved state, in particular against the force of the spring.
- the electromagnet is preferably supplied with electric power, which is adjustable in particular by the power supply available.
- the drive is preferably connected between the drive brake and the attenuator. If the drive is a motor or an electric motor, the drive brake may also be referred to as an engine brake.
- the or a control device is connected to the drive, in particular electrically connected, by means of which the drive, in particular with existing power supply, can be controlled or regulated.
- the or one, in particular caused by wind, rotation or rotational movement of the machine carrier relative to the support structure about the yaw axis by the drive can be damped.
- the drive is thus not used in particular for rotating the machine carrier, but preferably for damping the or a, in particular caused by wind, rotation or rotational movement of the machine carrier relative to the support structure about the yaw axis. This is particularly useful when the rotor is arranged on the lee side of the machine carrier.
- the machine carrier is rotatable by the wind in a position in which the rotor axis is aligned parallel or approximately parallel to the wind direction.
- the control device according to the invention preferably forms a damping device in this sense. Since it may come due to turbulence, gusts of wind, wind shear, etc. to an unwanted rotational movement of the machine support, which turns out of the desired position, such a rotational movement by means of the drive by building a counter-torque is damped. In the case of a power failure and / or braked and / or blocked drive this damping function assumes in particular the attenuator.
- the control device according to the invention forms in this sense in particular a drive device. This is e.g. in making corrections to a larger yaw error or for maintenance purposes, for example, to reverse a twist of running between the machine frame and the support structure lines. Furthermore, an active rotation of the machine carrier is useful if the rotor is arranged on the windward side of the machine carrier.
- the control device according to the invention forms a damping and / or drive device.
- the drive train of the adjusting device comprises in particular all components of the adjusting device, with which a movement, preferably a rotational movement, between the drive and the output side of the transmission and / or the output shaft of the transmission and / or the output shaft of the actuating device is transferable or transmitted.
- the driveline comprises the transmission and / or the input shaft of the transmission and / or the output shaft of the transmission and / or the drive shaft and / or the output shaft of the actuator and / or the attenuator and / or the input shaft of the attenuator and / or the output shaft of the Attenuator and / or the impeller.
- the invention further relates to a wind power plant having a support structure, a machine carrier rotatably mounted on the support structure about a yaw axis, and at least one control device comprising at least one adjusting device connected between the support structure and the machine carrier and comprising a drive and, in particular, a coupled transmission has at least one yaw brake, by means of which the machine carrier, in particular non-rotatably, on the support structure can be fixed, wherein the yaw brake between the drive and the transmission engages the drive train of the adjusting device.
- the control device is, in particular, control devices according to the invention, which can be developed in accordance with all embodiments explained in this connection.
- the wind turbine can be a windward runner or a leeward runner. Preferably, however, the wind turbine is a leeward rotor.
- FIG. 1 is a schematic side view of a wind turbine
- FIG. 2 shows a schematic side view of a machine carrier of the wind power plant according to FIG. 1 with two control devices according to an embodiment
- FIG. 3 shows one of the control devices according to FIG. 2 in a perspective view
- FIG. 4 shows the control device according to FIG. 3 in side view
- Fig. 5 is a schematic sectional view of the control device along the apparent from Fig. 4 section line A-A and
- Fig. 6 is a schematic sectional view of the apparent from Fig. 5 braking device.
- Fig. 1 is a schematic side view of a wind turbine 1 can be seen, which is located in the sea and anchored in the seabed 2.
- the water level of the sea is schematically indicated and designated by the reference numeral 17.
- the wind power plant 1 comprises a supporting structure 3 in the form of a lattice tower, on which a machine carrier 4 is rotatably mounted about an azimuth bearing 5 about a vertical yaw axis 6.
- the machine frame 4 carries a machine house 7, in which an electric generator 8 is arranged.
- a rotor 9 is rotatably mounted about a rotor axis 10 which extends transversely or approximately transversely to the yaw axis 6.
- the rotor axis 10 is slightly inclined relative to the horizontal.
- the rotor 9 comprises a rotor hub 12 on which two rotor blades 13 and 14 are rotatably mounted about their respective blade axis 15 and 16, wherein the blade axes 15 and 16 extend transversely or approximately transversely to the rotor axis 10.
- the rotor hub 12 is rotationally rigidly connected to a rotor shaft (not shown), by means of which the rotor 9 is connected to the generator 8.
- the rotor 9 is rotated by wind 11 about its rotor axis 10 and drives the generator 8 at.
- FIG. 2 is a schematic side view of the machine frame 4 can be seen, are attached to the two control devices 18 and 19 according to an embodiment of the invention.
- the control devices 18 and 19 are of similar construction, wherein a perspective view of the control device 18 of FIG. 3 can be seen. Furthermore, a side view of the control device 18 from FIG. 4 and a schematic sectional view of the control device 18 along the section line A-A from FIG. 5 shown in FIG. 4 can be seen.
- the control device 18 comprises an electric motor 20 whose motor shaft 21 is rotatable about an axis 54 and connected to an input shaft 22 of a transmission 23 with the interposition of an attenuator in the form of a hydraulic damper 28 and a brake device 44.
- An output shaft 24 of the transmission 23 is rotationally rigidly connected to a pinion 25, for example, directly or with the interposition of a coupling member.
- the output shaft 24, in particular with the interposition of a coupling member also rotatably connected to the pinion 25.
- the pinion 25 meshes with a ring gear 26 (see Fig. 2), which is rigidly connected to the support structure 3 and provided in the upper end region of the support structure 3.
- the motor shaft 21 is connected with its end facing away from the damper 28 with a motor brake 27 which comprises at least one electromagnet 29, by means of which the brake 27 is held against the force of a spring 39 in the released state, as long as a sufficiently large electric current through the electromagnet 29 flows.
- the brake 27 automatically assumes its braking state as shown in FIG. 5 and blocks the motor shaft 21 of the electric motor 20.
- the electric motor 20 comprises a motor housing 31, which forms a stator of the electric motor 20 and comprises electric stator windings 40.
- the motor shaft 21 comprises electric rotor windings 41 and forms a rotor of the electric motor 20.
- the transmission 23 comprises a transmission housing 32
- the damper 28 comprises a damper housing 33
- the brake 27 comprises a brake housing 42
- the braking device 44 comprises a housing 43
- the electric motor 20 is further arranged in a first outer housing 34, the brake 27 being arranged in a second outer housing 35.
- a fan 59 is provided, by means of which the electric motor 20 is cooled.
- the outer housing 34 and 35 may also be formed by a common outer housing or omitted. If the outer housings 34 and 35 form a common outer housing, then this is in particular ventilated with a fan.
- the housing 34 may also include the damper 28 and possibly the braking device 44.
- the housings 31, 32, 33, 34, 35, 42 and 43 are rigidly connected to each other. Furthermore, these housings are rigidly connected to the machine frame 4.
- the electric motor 20 is connected to an electrical network 38 via a control device 36 which comprises a frequency converter 37.
- the electrical network 38 forms a power supply for the control device 36 and the electric motor 20.
- the electromagnet 29 is or can be supplied with power from the electrical network 38.
- the machine carrier 4 follows this change of direction and rotates about the yaw axis 6. Since the wind turbine 1 is designed as a leeward rotor, the machine carrier 4 behaves approximately like a wind vane. In particular, the machine carrier 4 tries to align so that the rotor axis 10 is aligned in the wind direction 11. During this rotation, which is also referred to as yawing, the pinion 25 is rotated, which rotates the motor shaft 21 with the interposition of the transmission 23, the braking device 44 and the damper 28. The electric motor 20 is controlled by the control device 36 such that this rotational movement is damped. This is advantageous because abrupt wind direction changes can lead to heavy loads on the wind turbine 1.
- the control device 36 adjusts the damping in such a way that the load of the wind turbine 1 is kept as low as possible.
- the electric motor 20, the gear 23 and the control device 36 together form an adjusting device.
- the damper 28 and / or the braking device 44 can be attributed to the adjusting device.
- the electromagnet 29 is energized and releases the motor shaft 21 again. Furthermore, the control device 36 resumes its operation and controls the damping of the yawing movements of the machine carrier 4.
- the electromagnet 29 can be separated from the power supply 38 by a switch 53 shown schematically.
- the electric motor 20 is preferably not controlled by the control device 36. Blocking the motor shaft 21 when the power supply is present is known e.g. makes sense if the machine frame 4 is to remain in a certain position relative to the support structure 3. An attenuation of a particular wind-induced yaw movement of the machine frame 4 can then be ensured by the damper 28.
- the braking device 44 is provided, by means of which the machine carrier 4, in particular non-rotatably, on the support structure 3 can be fixed.
- the braking device 44 includes a yawing brake 30 and a shaft 45, on which the yawing brake 30 engages.
- the shaft 45 is connected between an output shaft 51 of the damper 28 and the input shaft 22 of the transmission 23 and connected in rotation with both the output shaft 51 of the damper 28 and with the input shaft 22 of the transmission 23.
- the shaft 45 is formed by the output shaft 51 of the damper 28 or by the input shaft 22 of the transmission 23.
- the shaft 45 and the output shaft 51 of the damper 28 are formed by the input shaft 22 of the transmission 23.
- an input shaft 50 of the damper 28 is rotationally rigidly connected to the motor shaft 21.
- the yaw brake 30 comprises a rotatably connected to the shaft 45 brake disk 46, a housing 43 movably mounted to the brake caliper 47 with a first brake pad 48, and a hydraulic brake cylinder 49 with brake piston 52 to which a second brake pad 58 is attached.
- the brake cylinder 49 includes a chamber 60 into which hydraulic fluid is introduced under pressure for actuating the yaw brake 30 so that the brake piston 52 moves and presses the brake pad 58 against one side of the brake disk 46. As a result, the brake caliper 47 is also moved and presses the brake lining 48 against the other side of the brake disk 46.
- the yaw brake 30 is embodied here as a hydraulically operated floating caliper brake whose brake carrier is formed by the housing 43.
- the yaw brake can also be operated electrically or pneumatically.
- the yaw brake can be designed as a fixed caliper brake. It is also possible that the yaw brake comprises a plurality of brake discs.
- the damper 28 includes an impeller 55 having an impeller housing 56 rotationally connected to the input shaft 50 of the damper 28 and an inner member 57 rotatable therein which is rotationally rigidly connected to the output shaft 51 of the damper 28. Further, a hydraulic fluid is introduced into the impeller housing 56.
- the damper 28 further comprises a brake, by means of which the impeller housing 56 is automatically blocked in case of failure of the power supply 38. Thus, it is possible to automatically activate the damping function of the damper in case of failure of the power supply 38.
- the brake of the damper 38 may be provided alternatively or in addition to the brake 27.
- control devices 18 and 19 are present.
- additional control devices are present, so that a stronger damping or braking force can be applied.
- control means 36 of all the control devices are networked together, so that when greater damping or braking force is required, additional control devices can be switched on. Is a weaker damping or braking force sufficient, which can be applied for example with only one or two control devices, the additional control devices can be disabled again.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wind Motors (AREA)
Abstract
Description
1 Windkraftanlage
2 Meeresboden
3 Tragstruktur
4 Maschinenträger
5 Azimutlager
6 Gierachse
7 Maschinenhaus
8 elektrischer Generator
9 Rotor
10 Rotorachse
11 Wind
12 Rotornabe
13 Rotorblatt
14 Rotorblatt
15 Blattachse
16 Blattachse
17 Wasserspiegel
18 Steuervorrichtung
19 Steuervorrichtung
20 Elektromotor
21 Motorwelle
22 Eingangswelle des Getriebes
23 Getriebe
24 Ausgangswelle des Getriebes
25 Ritzel
26 Zahnkranz
27 Motorbremse
28 Dämpfer
29 Elektromagnet
30 Gierbremse
31 Motorgehäuse
32 Getriebegehäuse
33 Dämpfergehäuse
34 erstes Außengehäuse
35 zweites Außengehäsue
36 Steuereinrichtung
37 Frequenzumrichter
38 elektrisches Netz / Stromversorgung
39 Feder der Motorbremse
40 Ständerwicklung
41 Läuferwicklung
42 Bremsengehäuse
43 Gehäuse der Bremseinrichtung
44 Bremseinrichtung
45 Welle der Bremseinrichtung
46 Bremsscheibe
47 Bremssattel
48 erster Bremsbelag
49 Bremszylinder
50 Eingangswelle des Dämpfers
51 Ausgangswelle des Dämpfers
52 Bremskolben
53 elektrischer Schalter
54 Achse
55 Impeller des Dämpfers
56 Impellergehäuse des Dämpfers
57 Innenteil des Dämpfers
58 zweiter Bremsbelag
59 Lüfter
60 Kammer des Bremszylinders
Claims (10)
- Steuervorrichtung für ein Giersystem einer Windkraftanlage, mit wenigstens einer zwischen eine Tragstruktur (3) und einen an der Tragsstruktur (3) um eine Gierachse (6) drehbar gelagerten Maschinenträger (4) geschalteten und einen Antrieb (20) und ein Getriebe (23) umfassenden Stelleinrichtung und wenigstens einer Gierbremse (30), mittels welcher der Maschinenträger (4) an der Tragstruktur (3) festlegbar ist, dadurch gekennzeichnet, dass die Gierbremse (30) zwischen dem Antrieb (20) und dem Getriebe (23) am Triebstrang der Stelleinrichtung angreift.
- Steuervorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass mittels der Gierbremse (30) der Triebstrang oder ein das Getriebe (23) umfassender Teil dieses Triebstrangs blockierbar ist.
- Steuervorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Gierbremse (30) an einer Welle angreift, mittels welcher das Getriebe (23) mit dem den Antrieb (20) gekoppelt ist.
- Steuervorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zwischen den Antrieb (20) und das Getriebe (23) ein Dämpfungsglied (28) geschaltet ist, mittels welchem eine Drehbewegung des Maschinenträgers (4) relativ zu der Tragstruktur (3) um die Gierachse (6) dämpfbar ist, wobei die Gierbremse (30) zwischen dem Dämpfungsglied (28) und dem Getriebe (23) am Triebstrang der Stelleinrichtung angreift.
- Steuervorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Gierbremse (30) an einer Welle (45) angreift, mittels welcher das Getriebe (23) mit dem Dämpfungsglied (28) gekoppelt ist.
- Steuervorrichtung nach Anspruch 3 oder 5, dadurch gekennzeichnet, dass mittels der Gierbremse (30) die Welle (45) blockierbar ist.
- Steuervorrichtung nach Anspruch 3 oder 5 oder nach Anspruch 6, dadurch gekennzeichnet, dass die Gierbremse (30) wenigstens eine mit der Welle (45) drehstarr verbundene Bremsscheibe (46) und wenigstens einen Bremskörper (58) umfasst, der gegen die Bremsscheibe (46) drückbar ist.
- Steuervorrichtung nach einem der vorangehenden Ansprüche dadurch gekennzeichnet, dass die Gierbremse (30) im betätigten Zustand eine Rutschkupplung bildet, die bei Erreichen oder Überschreiten eines Losbrechmoments eine Drehung des Maschinenträgers (4) relativ zu der Tragstruktur um die Gierachse (6) zulässt.
- Steuervorrichtung nach einem der vorangehenden Ansprüche, gekennzeichnet durch eine Antriebsbremse (27), mittels welcher der Antrieb (20) blockierbar ist.
- Steuervorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass bei Ausfall der oder einer elektrischen Stromversorgung des Antriebs (20) der Antrieb (20) mittels der Antriebsbremse (27) automatisch blockierbar ist.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/764,734 US10036368B2 (en) | 2013-02-01 | 2014-02-03 | Control device for a yaw system of a wind power plant |
EP14711922.6A EP2951432B1 (de) | 2013-02-01 | 2014-02-03 | Steuervorrichtung für ein giersystem einer windkraftanlage |
JP2015555742A JP6423800B2 (ja) | 2013-02-01 | 2014-02-03 | 風力発電プラントのヨーシステム用の制御装置 |
CN201480018059.1A CN105102811B (zh) | 2013-02-01 | 2014-02-03 | 用于风能设备的偏航系统的控制装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013101012.1A DE102013101012A1 (de) | 2013-02-01 | 2013-02-01 | Steuervorrichtung für ein Giersystem einer Windkraftanlage |
DE102013101012.1 | 2013-02-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014118375A1 true WO2014118375A1 (de) | 2014-08-07 |
Family
ID=50345980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/052068 WO2014118375A1 (de) | 2013-02-01 | 2014-02-03 | Steuervorrichtung für ein giersystem einer windkraftanlage |
Country Status (6)
Country | Link |
---|---|
US (1) | US10036368B2 (de) |
EP (1) | EP2951432B1 (de) |
JP (1) | JP6423800B2 (de) |
CN (1) | CN105102811B (de) |
DE (1) | DE102013101012A1 (de) |
WO (1) | WO2014118375A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015208071A1 (de) * | 2015-04-30 | 2016-11-03 | Putzmeister Engineering Gmbh | Fahrbare Arbeitsmaschine und Verfahren zu deren Betrieb |
JP6628983B2 (ja) * | 2015-06-02 | 2020-01-15 | ナブテスコ株式会社 | 風車用駆動装置及び風車用駆動装置ユニット |
JP6771935B2 (ja) * | 2016-04-14 | 2020-10-21 | 株式会社日立製作所 | 風力発電装置 |
CN105781906B (zh) * | 2016-05-16 | 2018-05-11 | 河北工业大学 | 一种具有锁紧功能的风力发电机偏航装置 |
CN105971823B (zh) * | 2016-06-28 | 2018-06-26 | 曲阜师范大学 | 一种自动调控风电机组偏航阻尼的方法 |
DE102016114184A1 (de) | 2016-08-01 | 2018-02-01 | Wobben Properties Gmbh | Maschinenhaus und Rotor für eine Windenergieanlage sowie Verfahren |
US10598148B2 (en) * | 2017-08-22 | 2020-03-24 | General Electric Company | System for controlling a yaw drive of a wind turbine when a native yaw drive control system is non-operational |
CN108361150B (zh) * | 2018-01-31 | 2021-01-22 | 新疆金风科技股份有限公司 | 偏航控制装置、执行装置、偏航系统及方法 |
DE102018131321A1 (de) * | 2018-12-07 | 2020-06-10 | Wobben Properties Gmbh | Windenergieanlage mit Tragstruktur |
US11193469B2 (en) * | 2019-03-19 | 2021-12-07 | 2-B Energy B.V. | Method for operating a wind turbine, wind turbine, and control means for a wind turbine |
EP3712427A1 (de) * | 2019-03-22 | 2020-09-23 | Siemens Gamesa Renewable Energy A/S | Windturbine |
CN109838346B (zh) * | 2019-04-04 | 2020-12-25 | 广西电网有限责任公司电力科学研究院 | 一种具有自动保护功能的风力发电机 |
US10794357B1 (en) * | 2020-04-01 | 2020-10-06 | Kevin Pyne | Conical wind turbine assembly |
WO2021213602A1 (en) * | 2020-04-24 | 2021-10-28 | Vestas Wind Systems A/S | Method for controlling a wind turbine system in relation to braking of the yaw system |
CN114893349B (zh) * | 2022-07-14 | 2022-09-30 | 深圳众城卓越科技有限公司 | 偏航系统电机防过流过载控制方法及装置 |
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US4966525A (en) * | 1988-02-01 | 1990-10-30 | Erik Nielsen | Yawing device and method of controlling it |
DE69703622T2 (de) | 1996-05-07 | 2001-08-02 | Aegir Konsult Ab Lidingoe | Giersteuerung und mit dieser giersteuerung ausgerüstete windkraftanlage |
JP2004232500A (ja) * | 2003-01-28 | 2004-08-19 | Komatsu Ltd | 風力発電設備のナセル旋回駆動装置、及びその運転方法 |
DE202008010748U1 (de) * | 2008-08-08 | 2008-10-30 | Stromag Ag | Verstelleinrichtung für eine Windenergieanlage |
EP2101058A2 (de) * | 2008-03-12 | 2009-09-16 | Nordex Energy GmbH | Verfahren und Vorrichtung zum Drehen einer Komponente einer Windenergieanlage |
WO2011057664A1 (en) * | 2009-11-11 | 2011-05-19 | Amsc Windtec Gmbh | Device for adjustment of a rotor blade, wind energy converter, and method for adjusting a rotor blade |
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-
2013
- 2013-02-01 DE DE102013101012.1A patent/DE102013101012A1/de not_active Withdrawn
-
2014
- 2014-02-03 US US14/764,734 patent/US10036368B2/en active Active
- 2014-02-03 JP JP2015555742A patent/JP6423800B2/ja active Active
- 2014-02-03 WO PCT/EP2014/052068 patent/WO2014118375A1/de active Application Filing
- 2014-02-03 EP EP14711922.6A patent/EP2951432B1/de active Active
- 2014-02-03 CN CN201480018059.1A patent/CN105102811B/zh active Active
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US4966525A (en) * | 1988-02-01 | 1990-10-30 | Erik Nielsen | Yawing device and method of controlling it |
DE69703622T2 (de) | 1996-05-07 | 2001-08-02 | Aegir Konsult Ab Lidingoe | Giersteuerung und mit dieser giersteuerung ausgerüstete windkraftanlage |
JP2004232500A (ja) * | 2003-01-28 | 2004-08-19 | Komatsu Ltd | 風力発電設備のナセル旋回駆動装置、及びその運転方法 |
EP2101058A2 (de) * | 2008-03-12 | 2009-09-16 | Nordex Energy GmbH | Verfahren und Vorrichtung zum Drehen einer Komponente einer Windenergieanlage |
DE202008010748U1 (de) * | 2008-08-08 | 2008-10-30 | Stromag Ag | Verstelleinrichtung für eine Windenergieanlage |
WO2011057664A1 (en) * | 2009-11-11 | 2011-05-19 | Amsc Windtec Gmbh | Device for adjustment of a rotor blade, wind energy converter, and method for adjusting a rotor blade |
Also Published As
Publication number | Publication date |
---|---|
JP6423800B2 (ja) | 2018-11-14 |
EP2951432B1 (de) | 2018-12-12 |
US10036368B2 (en) | 2018-07-31 |
JP2016505119A (ja) | 2016-02-18 |
CN105102811B (zh) | 2018-04-10 |
DE102013101012A1 (de) | 2014-08-07 |
EP2951432A1 (de) | 2015-12-09 |
CN105102811A (zh) | 2015-11-25 |
US20150369213A1 (en) | 2015-12-24 |
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